// 
// Copyright(c) 2009 Syntext, Inc. All Rights Reserved.
// Contact: info@syntext.com, http://www.syntext.com
// 
// This file is part of Syntext Serna XML Editor.
// 
// COMMERCIAL USAGE
// Licensees holding valid Syntext Serna commercial licenses may use this file
// in accordance with the Syntext Serna Commercial License Agreement provided
// with the software, or, alternatively, in accorance with the terms contained
// in a written agreement between you and Syntext, Inc.
// 
// GNU GENERAL PUBLIC LICENSE USAGE
// Alternatively, this file may be used under the terms of the GNU General 
// Public License versions 2.0 or 3.0 as published by the Free Software 
// Foundation and appearing in the file LICENSE.GPL included in the packaging 
// of this file. In addition, as a special exception, Syntext, Inc. gives you
// certain additional rights, which are described in the Syntext, Inc. GPL 
// Exception for Syntext Serna Free Edition, included in the file 
// GPL_EXCEPTION.txt in this package.
// 
// You should have received a copy of appropriate licenses along with this 
// package. If not, see <http://www.syntext.com/legal/>. If you are unsure
// which license is appropriate for your use, please contact the sales 
// department at sales@syntext.com.
// 
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
// 
#ifndef COMMON_COMPILED_RESOURCE_READER_H_
#define COMMON_COMPILED_RESOURCE_READER_H_

#include "common/String.h"

namespace Common {

class CompiledResourceReader {
public:
    CompiledResourceReader(const unsigned char* resourceData)
        : data_(resourceData) {}
        
    // get next record from the compiled resource list; advance 
    bool    getNext(String& name, uint& length, const unsigned char*& data)
    {
        if (!data_ || !get_int(data_))
            return false;
        name   = String((const char*)&data_[8], get_int(data_ + 4) - 1);
        length = get_int(data_);
        data   = data_ + 8 + get_int(data_ + 4);
        data_  = data + length;
        return true;
    }
    static uint get_int(const unsigned char* v) 
    { 
        return uint(*v) | uint(v[1]) << 8 | 
            uint(v[2]) << 16 | uint(v[3]) << 24;
    }
private:
    const unsigned char* data_;
};

} // namespace Common

#endif // COMMON_COMPILED_RESOURCE_READER_H_

